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7963504849 is a prime number
BaseRepresentation
bin1110110101010100…
…10111000011010001
3202112222201221222001
413122222113003101
5112302124123344
63354113314001
7401225450206
oct73252270321
922488657861
107963504849
113417211073
121662b65901
1399bb05961
145578c7cad
153191dbed4
hex1daa970d1

7963504849 has 2 divisors, whose sum is σ = 7963504850. Its totient is φ = 7963504848.

The previous prime is 7963504817. The next prime is 7963504909. The reversal of 7963504849 is 9484053697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4835116225 + 3128388624 = 69535^2 + 55932^2 .

It is a cyclic number.

It is not a de Polignac number, because 7963504849 - 25 = 7963504817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7963504849.

It is not a weakly prime, because it can be changed into another prime (7963504649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3981752424 + 3981752425.

It is an arithmetic number, because the mean of its divisors is an integer number (3981752425).

Almost surely, 27963504849 is an apocalyptic number.

It is an amenable number.

7963504849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7963504849 is an equidigital number, since it uses as much as digits as its factorization.

7963504849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 7963504849 is about 89238.4717988828. The cubic root of 7963504849 is about 1996.9541010212.

The spelling of 7963504849 in words is "seven billion, nine hundred sixty-three million, five hundred four thousand, eight hundred forty-nine".